A235426 - OEIS

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A235426 as a simple table

n	a(n)
1	256
2	3038
3	33610
4	344668
5	3402366
6	32542312
7	304784986
8	2807381170
9	25538118636
10	230002990420
11	2055091563588
12	18243652764916
13	161094988392244
14	1416214588819266
15	12404115758918922
16	108303485972137448

[256,3038,33610,344668,3402366,32542312,304784986, 2807381170,25538118636,230002990420,2055091563588, 18243652764916,161094988392244,1416214588819266, 12404115758918922,108303485972137448]